103121000311019 has 16 divisors (see below), whose sum is σ = 114701689113600. Its totient is φ = 92263171118976.

The previous prime is 103121000310997. The next prime is 103121000311037. The reversal of 103121000311019 is 910113000121301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103121000311019 - 2⁴⁴ = 85528814266603 is a prime.

It is a super-2 number, since 2×103121000311019² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103121000310985 and 103121000311003.

It is not an unprimeable number, because it can be changed into a prime (103121000314019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1493477054 + ... + 1493546099.

It is an arithmetic number, because the mean of its divisors is an integer number (7168855569600).

Almost surely, 2^{103121000311019} is an apocalyptic number.

103121000311019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

103121000311019 is a deficient number, since it is larger than the sum of its proper divisors (11580688802581).

103121000311019 is a wasteful number, since it uses less digits than its factorization.

103121000311019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987023274.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 103121000311019 in words is "one hundred three trillion, one hundred twenty-one billion, three hundred eleven thousand, nineteen".